Over one lakh people have applied for a one-way trip to Mars, as a part of the ambitious $6 bn dollar project that aims to colonise the Red planet starting in 2022. Here are 10 things you should know before you decide to travel to Mars.
A spirometer is an apparatus for measuring the volume of air inspired and expired by the lungs. A spirometer measures ventilation, the movement of air into and out of the lungs. The spirogram will identify two different types of abnormal ventilation patterns, obstructive and restrictive.
In a spirometry test, while you are sitting, you breathe into a mouthpiece that is connected to an instrument called a spirometer. The spirometer records the amount and the rate of air that you breathe in and out over a period of time. When standing, some numbers might be slightly different.